With more than 180 members, ESA represents a diverse group of companies, including independent power producers, electric utilities, energy service companies, financiers, insurers, law firms, installers, manufacturers, component suppliers and integrators involved in deploying energy storage systems around the globe. Interested in becoming a member?
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Leadership Circle Members

Able Grid
    Acciona Energy USA
      Clearway Energy Group
        Con Edison Battery Storage
          Cypress Creek Renewables
            Doosan GridTech
              Duke
              • Board Member
              East Penn
                EDF
                  Enel Green Power
                    Fluence
                    • Board Member
                    GE Renewable Energy
                    • Board Member
                    Google
                      Highview Power Storage
                        Invenergy LLC
                          Key Capture Energy
                            LG Chem Ltd
                              Lockheed Martin Energy
                                LS Energy Solutions
                                  MAP Energy
                                    McCarthy Building Companies, Inc.
                                      Mortenson
                                        National Grid
                                          NEC
                                            New York Power Authority (NYPA)
                                              NextEra Energy, Inc.
                                                PPL Corporation
                                                  RWE
                                                  • Board Member
                                                  Shell New Energies US
                                                    Stem Inc.
                                                      Swinerton Renewable Energy
                                                      • Board Member
                                                      US BlackRock Renewable Power

                                                        Full Members

                                                        127 Energy
                                                          8Minute Solar Energy
                                                            Advanced Microgrid Systems
                                                              Agilitas Energy, LLC
                                                                Amber Kinetics
                                                                  Ameresco, Inc.
                                                                  • Board Member
                                                                  American Municipal Power, Inc
                                                                    American Transmission Company
                                                                      Ardent Edge
                                                                        Argonne National Laboratory
                                                                          Arizona Public Service
                                                                            Ascend Analytics
                                                                              Atwell Group
                                                                                BlueWave Solar
                                                                                  Blymyer Engineers, Inc
                                                                                    Brenmiller Energy
                                                                                      California Energy Commission
                                                                                        California Independent System Operator
                                                                                          Call2Recycle, Inc.
                                                                                            Candela Renewables
                                                                                              Catalyze
                                                                                                Citizens Energy Corporation
                                                                                                  Clean Feet Investers I, LLC
                                                                                                    CleanCapital
                                                                                                      CMS Energy
                                                                                                        Cobra Instalaciones y Servicios
                                                                                                          Coffman Engineers
                                                                                                            Community Energy Solar
                                                                                                              ConnectGen LLC
                                                                                                                Connexus Energy
                                                                                                                  Convergent Energy + Power
                                                                                                                    Crowell & Moring, LLP
                                                                                                                      CSA Group
                                                                                                                        Customized Energy Solutions, LTD.
                                                                                                                        • Sponsorship Partner
                                                                                                                        Delorean Power LLC
                                                                                                                          DG Power LLC
                                                                                                                            Dimension Renewable Energy
                                                                                                                              DNV GL Energy
                                                                                                                                DTE Electric
                                                                                                                                • Policy Partner
                                                                                                                                Duke
                                                                                                                                • Board Member
                                                                                                                                Dynapower Company LLC
                                                                                                                                  e2comply, LLC.
                                                                                                                                    East Light Partners
                                                                                                                                      East Point Energy
                                                                                                                                        EDP Renewables North America
                                                                                                                                          Energy Intelligence Partners
                                                                                                                                            Energy Storage Response Group
                                                                                                                                              Enertis Solar Inc
                                                                                                                                                ENGIE North America
                                                                                                                                                • Board Member
                                                                                                                                                Eos Energy Storage
                                                                                                                                                  EPC Power Corp
                                                                                                                                                    EPRI
                                                                                                                                                      Eskom Holdings SOC Limited
                                                                                                                                                        EsVolta LP
                                                                                                                                                          Eversheds Sutherland LLP
                                                                                                                                                            Eversource Energy
                                                                                                                                                            • Policy Partner
                                                                                                                                                            EVgo
                                                                                                                                                            • Board Member
                                                                                                                                                            Exelon Utilities
                                                                                                                                                            • Policy Partner
                                                                                                                                                            FastGrid
                                                                                                                                                              FlexGen
                                                                                                                                                                Fluence
                                                                                                                                                                • Board Member
                                                                                                                                                                Foley Hoag LLP
                                                                                                                                                                  Forefront Power Development
                                                                                                                                                                    GE Renewable Energy
                                                                                                                                                                    • Board Member
                                                                                                                                                                    GlidePath Power Solutions
                                                                                                                                                                    • Policy Partner
                                                                                                                                                                    Gravity Storage Inc.
                                                                                                                                                                      Green Power EMC
                                                                                                                                                                        Hannon Armstrong
                                                                                                                                                                          Hanwha Energy USA
                                                                                                                                                                            Hecate Grid LLC
                                                                                                                                                                              Hotstart
                                                                                                                                                                                Hydrostor
                                                                                                                                                                                  Hyosung Corporation
                                                                                                                                                                                    IHI Energy Storage
                                                                                                                                                                                      Imperial Irrigation District
                                                                                                                                                                                        Innolith AG
                                                                                                                                                                                          Intertek Testing Services, NA
                                                                                                                                                                                            IPS Solar
                                                                                                                                                                                              Jupiter Power LLC
                                                                                                                                                                                                K&L Gates
                                                                                                                                                                                                  Kiewit
                                                                                                                                                                                                    Kilpatrick Townsend & Stockton LLP
                                                                                                                                                                                                      Kirkland & Ellis LLP
                                                                                                                                                                                                        KORE Power
                                                                                                                                                                                                          LendLease Energy Development
                                                                                                                                                                                                            Li-Ion Tamer
                                                                                                                                                                                                              Longitude 122 West
                                                                                                                                                                                                                LS Power Development
                                                                                                                                                                                                                  Massachusetts Clean Energy Center (MassCEC)
                                                                                                                                                                                                                    Maxwell Technologies, Inc.
                                                                                                                                                                                                                    • Sponsorship Partner
                                                                                                                                                                                                                    Mitsubishi Electric Power Products, Inc.
                                                                                                                                                                                                                      NantEnergy
                                                                                                                                                                                                                        National Rural Electrical Cooperative Association
                                                                                                                                                                                                                          National Rural Utilities Cooperative Finance Corporation (CFC)
                                                                                                                                                                                                                          • Board Member
                                                                                                                                                                                                                          New England Battery Storage
                                                                                                                                                                                                                            Nikola Power
                                                                                                                                                                                                                              North American Development Bank
                                                                                                                                                                                                                                NRStor C&I
                                                                                                                                                                                                                                  Oatfield LLC
                                                                                                                                                                                                                                    Oncor
                                                                                                                                                                                                                                      Open Road Renewables
                                                                                                                                                                                                                                        Oriden
                                                                                                                                                                                                                                          Origis Energy USA
                                                                                                                                                                                                                                            Orsted Energy Storage and Solar
                                                                                                                                                                                                                                              Pacific Gas and Electric Company
                                                                                                                                                                                                                                              • Board Member
                                                                                                                                                                                                                                              Pacific Northwest National Laboratory
                                                                                                                                                                                                                                                Panasonic
                                                                                                                                                                                                                                                  Pattern Energy Group
                                                                                                                                                                                                                                                    Peak Power
                                                                                                                                                                                                                                                      Pierce Atwood LLP
                                                                                                                                                                                                                                                        Pine Gate Renewables
                                                                                                                                                                                                                                                          Plus Power
                                                                                                                                                                                                                                                            PowerSecure Inc.
                                                                                                                                                                                                                                                              Powin Energy
                                                                                                                                                                                                                                                                Prisma Energy Solutions, LLC.
                                                                                                                                                                                                                                                                  Rappahannock Electric Cooperative
                                                                                                                                                                                                                                                                  • Board Member
                                                                                                                                                                                                                                                                  Recurrent Energy
                                                                                                                                                                                                                                                                    RES Group
                                                                                                                                                                                                                                                                      Roland Berger LLC
                                                                                                                                                                                                                                                                      • Board Member
                                                                                                                                                                                                                                                                      RWE
                                                                                                                                                                                                                                                                      • Board Member
                                                                                                                                                                                                                                                                      S3.Energy
                                                                                                                                                                                                                                                                        Salt River Project
                                                                                                                                                                                                                                                                          SaltX Technology
                                                                                                                                                                                                                                                                            Sandia National Laboratories
                                                                                                                                                                                                                                                                              Savion, LLC
                                                                                                                                                                                                                                                                                Schneider Electric
                                                                                                                                                                                                                                                                                  Shaw Consulting
                                                                                                                                                                                                                                                                                  • Board Member
                                                                                                                                                                                                                                                                                  Siemens Gamesa
                                                                                                                                                                                                                                                                                    Sinexcel
                                                                                                                                                                                                                                                                                      SK Innovation
                                                                                                                                                                                                                                                                                        SMA - America
                                                                                                                                                                                                                                                                                          SNC-Lavalin
                                                                                                                                                                                                                                                                                            Solar Turbines
                                                                                                                                                                                                                                                                                              Southern Company
                                                                                                                                                                                                                                                                                              • Policy Partner
                                                                                                                                                                                                                                                                                              Spano VPP DevCo LLC
                                                                                                                                                                                                                                                                                                Standard Solar
                                                                                                                                                                                                                                                                                                • Policy Partner
                                                                                                                                                                                                                                                                                                Stantec
                                                                                                                                                                                                                                                                                                  Sterling Municipal Light Company
                                                                                                                                                                                                                                                                                                    StorEn Technologies Inc.
                                                                                                                                                                                                                                                                                                      Strata Solar
                                                                                                                                                                                                                                                                                                        Sungrow
                                                                                                                                                                                                                                                                                                          Sunnova
                                                                                                                                                                                                                                                                                                            Sunwoda Electronic Co., Ltd.
                                                                                                                                                                                                                                                                                                              Swinerton Renewable Energy
                                                                                                                                                                                                                                                                                                              • Board Member
                                                                                                                                                                                                                                                                                                              Tennessee Valley Authority
                                                                                                                                                                                                                                                                                                                Trane
                                                                                                                                                                                                                                                                                                                • Policy Partner
                                                                                                                                                                                                                                                                                                                UL
                                                                                                                                                                                                                                                                                                                  UniEnergy Technologies
                                                                                                                                                                                                                                                                                                                    Viking Cold Solutions
                                                                                                                                                                                                                                                                                                                      Vinson & Elkins LLP
                                                                                                                                                                                                                                                                                                                        Vionx Energy
                                                                                                                                                                                                                                                                                                                          Viridity Energy
                                                                                                                                                                                                                                                                                                                            VRB Energy
                                                                                                                                                                                                                                                                                                                              Wärtsilä
                                                                                                                                                                                                                                                                                                                                WattsUp Power A/S
                                                                                                                                                                                                                                                                                                                                  Westwood Professional Services

                                                                                                                                                                                                                                                                                                                                    Associate Members

                                                                                                                                                                                                                                                                                                                                    California Energy Storage Alliance
                                                                                                                                                                                                                                                                                                                                    • Organizational
                                                                                                                                                                                                                                                                                                                                    Edison Electric Institute
                                                                                                                                                                                                                                                                                                                                    • Organizational
                                                                                                                                                                                                                                                                                                                                    North Carolina Sustainable Energy Association
                                                                                                                                                                                                                                                                                                                                    • Organizational

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